Cysteamine HCl

INCI: Cysteamine Hydrochloride, Cysteamine HCl
CAS#: 156-57-0

Outstanding skin brightening ingredient in managing hyperpigmentation at the same level of 2% hydroquinone without HQ's horrible side effects

Besides providing extraordinary skin-brightening effects, Cysteamine HCl is also an excellent antioxidant for preventing photodamage and skin aging. Its powerful inhibition in melanin production makes it one of the best agents for skin hyperpigmentation concerns, such as correcting skin discoloration, black spots, or patches and brightening the skin tone. Its skin-brightening benefits are unparalleled. 

Clinical studies have shown that 5% cysteamine HCl is equally effective in brightening skin, fading dark spots, and treating hyperpigmentation patches compared to hydroquinone. 

It is water-soluble, stable in aqua solutions, and easy to use for formulators and DIYers. 

Combining it with niacinamide creates synergetic effects in correcting skin discoloration and more robust anti-aging properties for the final product. 

Skin Benefits: 

Skin hyperpigmentation, antioxidant, photoaging protection

INCI: Cysteamine HCl
Appearance: White/off-white
Odor: No specific odor
Solubility: Soluble in Water
pH: best at 5.0-7.0
Recommended Usage: 3-5%
Storage: Keep in a tight, sealed container away from heat, sunlight, and moisture.

Applications: Facial serum, toners, emulsions

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Specification Sheet         SDS